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"China can establish land transport lines linking the Mediterranean Sea to Cape Town, which can connect the whole African continent across Sudan," he said, noting China's world-class railway construction expertise could be of big help in this regard.

"By visiting our classrooms, they can understand the current level of education in Lhasa, and then integrate their educational concepts so local teachers can become better and faster," Liu said.

"China is clearly a country that is going to be investing regionally in the Asia-Pacific, and infrastructure development is something that many countries find very challenging, so it is a very useful and beneficial partnership," she said.

"By listing on the Nasdaq, Viomi hopes to better focus on the development of home appliance technology and further expand brand awareness, as Nasdaq is known as a tech-heavy stock exchange," Xiaoping Chen, co-founder and chief executive officer of Viomi, told Xinhua after the opening bell.

"China and the US have had turmoil, and (the toy) is all banged up. It's got gloves on, and it says I want a hug," Loeffke says humorously.